1. Opening Activity
In your spirals, complete the pyramid by filling in the missing numbers. Each number is the sum of the numbers in the two boxes below it. -4 -8 4 –7 5 –1 –9 8 2 –3
Have homework out and ready to be checked. (Page 23, #16-19)

2. Homework Check
$29
98 feet
92 degrees
-150 points

3. Unit 1.4 Applying Addition & Subtraction of Integers

4. Table of Contents Date Lesson Page # Unit 8/24 Multiplication Table 1
Divisibility Rules 2
8/25
Adding Positive and Negative Integers 3 1
8/28
Subtracting Positive and Negative Integers 1
8/31
Applying Integer Operations 1

5. Learning Goals
LG 702: Students will be able to apply and extend previous understandings of operations to add and subtract rational numbers.
LG 703: Apply and extend previous understandings of operations to multiply and divide rational numbers.

6. What are we doing today? Today I am working with integers.
So that I can apply the addition and subtraction of integers to create expressions and solve word problems.
I’ll know I’ve got it if I can solve the following:

7. Key Vocabulary
Associative Property – grouping does NOT matter in addition and multiplication.
(8 +5) + 3 = 8 + (5 + 3)
Commutative Property – order does NOT matter in addition and multiplication. =

8. Page 25

9. Example 2 – Page 26

10. Example 2 – Page 26

11. Your Turn – Page 26 Step 1 – Analyze the information
Step 2 – Formulate a plan
Step 3 – Solve
Step 4 – Justify and Evaluate

12. Example 3 – Page 27

13. Example 3 – Page 27

14. Herman’s final position is 3 feet underground.
Your Turn
Herman is standing on a ladder that is partly in a hole. He starts out on a rung that is 6 feet under ground, climbs up 14 feet, then climbs down 11 feet. What is Herman’s final position, relative to ground level?
Herman’s final position is 3 feet underground.
(-11)
-6 + (-11) + 14 -3

15. Homework
Page 28, #1-5
Due at the start of next class